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【单选题】
YL-335B外部供电电源为三相()线制
A.
3
B.
4
C.
5
D.
6
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参考答案:
举一反三
【单选题】. In thanking you for your order of 5th this month, I inform you that it has been ____ executed.
A.
Prompt
B.
In time
C.
Due
D.
Duly
【单选题】_____thanking you for your letter of Sep.12th,we are sorry that we can’t accpet your price.
A.
Although
B.
Though
C.
As
D.
While
【单选题】__________是对熟悉幼儿的人进行访谈,以了解幼儿的情况。
A.
专业座谈
B.
个别访谈
C.
家长学校
D.
家长开放日
【简答题】Thanking 感谢
【单选题】Rather than _____ they would forgive that I hadn't previously thanked them, instead, they were thanking me.
A.
say
B.
saying
C.
to say
D.
said
【简答题】There are so many reasons for remembering our favorite teachers forever and thanking them. Here are some good teachers Mr Livingstone :Ms Livingstone had the same last name as me and I often spoke wit...
【判断题】任何一个有向图都一定存在拓扑序列。
A.
正确
B.
错误
【单选题】Thanking them for their kindness, he said that the old lady really appreciated ___ by them.
A.
visiting
B.
visited
C.
to be visited
D.
being visited
【简答题】邀请招标的项目,可以直接购买()。
【多选题】以下属于按灭弧介质及其原理分类的高压断路器是( )。(多选)
A.
真空断路器
B.
六氟化硫断路器
C.
压缩空气断路器
D.
油断路器
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